2,4-Dinitro-2'-acylamino-4'-dialkylamino-5'-alkoxy-alkyleneoxy-1

Details 2,4-Dinitro-2'-acylamino-4'-dialkylamino-5'-alkoxy-alkyleneoxy-1 2,4-Dinitro-2'-acylamino-4'-dialkylamino-5'-alkoxy-alkyleneoxy-1

1980-03-17

1985-10-01

Higel, Floyd D.

Bleaching and dyeing; fluid treatment and chemical modification

Dye or potential dye composition, additive, treatment,...

Mixed dyes, noncomplexed

534640, 534643, 534644, 534650, 534850, 534855, C09B 2924, C09B 2926, D06P 118, D06P 354

Patent

active

045443734

ABSTRACT:
There are described new azo dyes of the formula ##STR1## wherein R.sub.1 is an optionally substituted alkyl group, R.sub.2 is a substituted aliphatic radical, unsubstituted C.sub.3 -C.sub.10 -alkyl or cycloalkyl, and R.sub.3 and R.sub.4 are alkyl groups; and mixtures thereof with analogous azo dyes in which R.sub.4 is H; and also the production and use of these new azo dyes and of the said mixtures thereof for dyeing and printing synthetic fibres, particularly polyester fibres. The dyes are fast to light, have good affinity to the material and a good build-up, have high coloring strength and are stable to hydrolysis.

REFERENCES:
patent: 2083308 (1937-06-01), Senn
patent: 3178405 (1965-04-01), Merian
patent: 3250762 (1966-05-01), Gies et al.
patent: 3342803 (1967-09-01), Artz et al.
patent: 3883504 (1975-05-01), Schickfluss et al.
patent: 4038269 (1977-07-01), Groebke

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